What should the us have done as war was raging in Europe and asia

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

The map makes it clear that after world war ii, korea was a a) part of china b) divided country c)part of japan d)unified country

How were the european systems of mercantilism and capitalism similar during the 18th and 19th century